On 4 March 2011 14:11, Dr Josef Karthauser <j...@tao.org.uk> wrote:
> Hey there,
>
> I've been asking these questions to the wrong list! Just found the xen list,
> so I'll recap here.
>
> I want to run amd64 on xen, at a VPS hosting provider. Due to cost
> constraints the sweet spot in the cost/memory ratio has given me a provider
> who will only support a "ops_pv" kernel. This means that XENHVM on amd64 is
> not available to me.
>
> The VPS provider will be giving me at least 6 gb of ram, and I want to run
> ZFS on the instance. This leaves me considering running the i386 kernel and
> relying on PAE to get access to the extra memory. I presume that I'll lose
> about 1.5-2gb of RAM to ZFS tuning, and hope that means that I'll have
> 4gb(-ish) available to userland processes.
>
> Is this a sensible assumption? Can I rely on this being a stable
> configuration, or am I high?! :)

Not sure if it's just me, but you lose a fair few of ZFSs features if
you're not running it on actual hardware drives, etc, though I think
what you're planning may work it's not a setup I'd like to run myself
apart from to experiment with :)
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